Why This Dirt-Cheap, 300,000-Mile Inline-6 Classic Is BMW’s Best-Kept Secret

In the world of used BMW models, a few champions of the flock rise above the rest in terms of popularity. Typically, enthusiasts of the Bavarian automaker desire models such as the original E30 M3 and other M-branded offerings. However, in doing so, these folks may be overlooking one of the brand’s best engines of the 20th century.